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2009 15th IEEE International On-Line Testing Symposium
Variability and reliability-aware application tasks scheduling and power control (Voltage and Frequency Scaling) in the future nanoscale multiprocessors system on chip
Sesimbra-Lisbon, Portugal
June 24-June 26
ISBN: 978-1-4244-4596-7
Gilles Bizot, TIMA labs, UJF-CNRS-INPG, University of Grenoble, France
Nacer-Eddine Zergainoh, TIMA labs, UJF-CNRS-INPG, University of Grenoble, France
Nichael Nicolaidis, TIMA labs, UJF-CNRS-INPG, University of Grenoble, France
As technology scales, designing a massively parallel multi-cores system atop less reliable hardware architecture poses great challenges for researchers and designers. In this environment, ignoring variation effects when scheduling applications or when managing power with Dynamic Voltage and Frequency Scaling (DVFS) is suboptimal. We present a variation-aware multi-level scheduling and power management methodology for application-specific multiprocessor system-on-chip (MPSoC) to mitigate the impact of process variations and to optimize the power consumption. The methodology combines both static and dynamic scheduling and tackles the scheduling problem at several abstraction levels according the granularity of the application tasks, processing nodes and the on-chip communication network. The first levels of scheduling allow the local optimization, design space exploration and take into account the variations parameters. The last level, is based run-time scheduling, allows dynamic power management and global on-line optimization.
Citation:
Gilles Bizot, Nacer-Eddine Zergainoh, Nichael Nicolaidis, "Variability and reliability-aware application tasks scheduling and power control (Voltage and Frequency Scaling) in the future nanoscale multiprocessors system on chip," iolts, pp.155, 2009 15th IEEE International On-Line Testing Symposium, 2009
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